///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref gtx_norm
/// @file glm/gtx/norm.hpp
/// @date 2005-12-21 / 2011-06-07
/// @author Christophe Riccio
///
/// @see core (dependence)
/// @see gtx_quaternion (dependence)
///
/// @defgroup gtx_norm GLM_GTX_norm: Vector norm calculations
/// @ingroup gtx
///
/// @brief Various way to compute vector norms.
///
/// <glm/gtx/norm.hpp> need to be included to use these functionalities.
///////////////////////////////////////////////////////////////////////////////////

#ifndef GLM_GTX_norm
#define GLM_GTX_norm GLM_VERSION

// Dependency:
#include "../glm.hpp"
#include "../gtx/quaternion.hpp"

#if (defined(GLM_MESSAGES) && !defined(glm_ext))
#pragma message("GLM: GLM_GTX_norm extension included")
#endif

namespace glm {
/// @addtogroup gtx_norm
/// @{

//! Returns the squared length of x.
//! From GLM_GTX_norm extension.
template<typename T>
T length2(
  T const & x);

//! Returns the squared length of x.
//! From GLM_GTX_norm extension.
template<typename genType>
typename genType::value_type length2(
  genType const & x);

//! Returns the squared length of x.
//! From GLM_GTX_norm extension.
template<typename T>
T length2(
  detail::tquat<T> const & q);

//! Returns the squared distance between p0 and p1, i.e., length(p0 - p1).
//! From GLM_GTX_norm extension.
template<typename T>
T distance2(
  T const & p0,
  T const & p1);

//! Returns the squared distance between p0 and p1, i.e., length(p0 - p1).
//! From GLM_GTX_norm extension.
template<typename genType>
typename genType::value_type distance2(
  genType const & p0,
  genType const & p1);

//! Returns the L1 norm between x and y.
//! From GLM_GTX_norm extension.
template<typename T>
T l1Norm(
  detail::tvec3<T> const & x,
  detail::tvec3<T> const & y);

//! Returns the L1 norm of v.
//! From GLM_GTX_norm extension.
template<typename T>
T l1Norm(
  detail::tvec3<T> const & v);

//! Returns the L2 norm between x and y.
//! From GLM_GTX_norm extension.
template<typename T>
T l2Norm(
  detail::tvec3<T> const & x,
  detail::tvec3<T> const & y);

//! Returns the L2 norm of v.
//! From GLM_GTX_norm extension.
template<typename T>
T l2Norm(
  detail::tvec3<T> const & x);

//! Returns the L norm between x and y.
//! From GLM_GTX_norm extension.
template<typename T>
T lxNorm(
  detail::tvec3<T> const & x,
  detail::tvec3<T> const & y,
  unsigned int Depth);

//! Returns the L norm of v.
//! From GLM_GTX_norm extension.
template<typename T>
T lxNorm(
  detail::tvec3<T> const & x,
  unsigned int Depth);

/// @}
} //namespace glm

#include "norm.inl"

#endif //GLM_GTX_norm
